How to use OnClientDisconnected method of PuppeteerSharp.LifecycleWatcher class

Best Puppeteer-sharp code snippet using PuppeteerSharp.LifecycleWatcher.OnClientDisconnected

LifecycleWatcher.cs

Source:LifecycleWatcher.cs Github

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...52 frameManager.LifecycleEvent += FrameManager_LifecycleEvent;53 frameManager.FrameNavigatedWithinDocument += NavigatedWithinDocument;54 frameManager.FrameDetached += OnFrameDetached;55 frameManager.NetworkManager.Request += OnRequest;56 frameManager.Client.Disconnected += OnClientDisconnected;57 CheckLifecycleComplete();58 }59 #region Properties60 public Task<Task> NavigationTask { get; internal set; }61 public Task<bool> SameDocumentNavigationTask => _sameDocumentNavigationTaskWrapper.Task;62 public Task<bool> NewDocumentNavigationTask => _newDocumentNavigationTaskWrapper.Task;63 public Response NavigationResponse => _navigationRequest?.Response;64 public Task TimeoutOrTerminationTask65 => _terminationTaskWrapper.Task.WithTimeout(_timeout);66 public Task LifecycleTask => _lifecycleTaskWrapper.Task;67 #endregion68 #region Private methods69 private void OnClientDisconnected(object sender, EventArgs e)70 => Terminate(new TargetClosedException("Navigation failed because browser has disconnected!", _frameManager.Client.CloseReason));71 void FrameManager_LifecycleEvent(object sender, FrameEventArgs e) => CheckLifecycleComplete();7273 private void OnFrameDetached(object sender, FrameEventArgs e)74 {75 var frame = e.Frame;76 if (_frame == frame)77 {78 Terminate(new PuppeteerException("Navigating frame was detached"));79 return;80 }81 CheckLifecycleComplete();82 }83 private void CheckLifecycleComplete()84 {85 // We expect navigation to commit.86 if (!CheckLifecycle(_frame, _expectedLifecycle))87 {88 return;89 }90 _lifecycleTaskWrapper.TrySetResult(true);91 if (_frame.LoaderId == _initialLoaderId && !_hasSameDocumentNavigation)92 {93 return;94 }95 if (_hasSameDocumentNavigation)96 {97 _sameDocumentNavigationTaskWrapper.TrySetResult(true);98 }99 if (_frame.LoaderId != _initialLoaderId)100 {101 _newDocumentNavigationTaskWrapper.TrySetResult(true);102 }103 }104 private void Terminate(PuppeteerException ex) => _terminationTaskWrapper.TrySetException(ex);105 private void OnRequest(object sender, RequestEventArgs e)106 {107 if (e.Request.Frame != _frame || !e.Request.IsNavigationRequest)108 {109 return;110 }111 _navigationRequest = e.Request;112 }113 private void NavigatedWithinDocument(object sender, FrameEventArgs e)114 {115 if (e.Frame != _frame)116 {117 return;118 }119 _hasSameDocumentNavigation = true;120 CheckLifecycleComplete();121 }122 private bool CheckLifecycle(Frame frame, IEnumerable<string> expectedLifecycle)123 {124 foreach (var item in expectedLifecycle)125 {126 if (!frame.LifecycleEvents.Contains(item))127 {128 return false;129 }130 }131 foreach (var child in frame.ChildFrames)132 {133 if (!CheckLifecycle(child, expectedLifecycle))134 {135 return false;136 }137 }138 return true;139 }140 public void Dispose() => Dispose(true);141 ~LifecycleWatcher() => Dispose(false);142 public void Dispose(bool disposing)143 {144 _frameManager.LifecycleEvent -= FrameManager_LifecycleEvent;145 _frameManager.FrameNavigatedWithinDocument -= NavigatedWithinDocument;146 _frameManager.FrameDetached -= OnFrameDetached;147 _frameManager.NetworkManager.Request -= OnRequest;148 _frameManager.Client.Disconnected -= OnClientDisconnected;149 }150 #endregion151 }152}...

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OnClientDisconnected

Using AI Code Generation

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });10 var page = await browser.NewPageAsync();11 var watcher = new LifecycleWatcher(page);12 watcher.OnClientDisconnected += (sender, e) => Console.WriteLine("Client disconnected");13 await browser.CloseAsync();14 }15 }16}

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OnClientDisconnected

Using AI Code Generation

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 var options = new LaunchOptions { Headless = false };9 using (var browser = await Puppeteer.LaunchAsync(options))10 using (var page = await browser.NewPageAsync())11 {12 var watcher = page.GetLifecycleWatcher();13 watcher.OnClientDisconnected += Watcher_OnClientDisconnected;14 await Task.Delay(5000);15 }16 }17 private static void Watcher_OnClientDisconnected(object sender, EventArgs e)18 {19 Console.WriteLine("Client Disconnected");20 }21 }22}23Recommended Posts: PuppeteerSharp | LifecycleWatcher.OnDialog() Method24PuppeteerSharp | LifecycleWatcher.OnError() Method25PuppeteerSharp | LifecycleWatcher.OnFrameAttached() Method26PuppeteerSharp | LifecycleWatcher.OnFrameDetached() Method27PuppeteerSharp | LifecycleWatcher.OnFrameNavigated() Method28PuppeteerSharp | LifecycleWatcher.OnFrameNavigatedWithinDocument() Method29PuppeteerSharp | LifecycleWatcher.OnFrameRequestedNavigation() Method30PuppeteerSharp | LifecycleWatcher.OnFrameScheduledNavigation() Method31PuppeteerSharp | LifecycleWatcher.OnLoad() Method32PuppeteerSharp | LifecycleWatcher.OnRequest() Method33PuppeteerSharp | LifecycleWatcher.OnRequestFailed() Method34PuppeteerSharp | LifecycleWatcher.OnRequestFinished() Method35PuppeteerSharp | LifecycleWatcher.OnResponse() Method36PuppeteerSharp | LifecycleWatcher.OnWorkerCreated() Method37PuppeteerSharp | LifecycleWatcher.OnWorkerDestroyed() Method38PuppeteerSharp | LifecycleWatcher.OnWorkerTerminated() Method39PuppeteerSharp | LifecycleWatcher.OnConsole() Method40PuppeteerSharp | LifecycleWatcher.OnDownload() Method41PuppeteerSharp | LifecycleWatcher.OnFileChooser() Method42PuppeteerSharp | LifecycleWatcher.OnPageError() Method43PuppeteerSharp | LifecycleWatcher.OnPopup() Method44PuppeteerSharp | LifecycleWatcher.OnRequestIntercepted() Method45PuppeteerSharp | LifecycleWatcher.OnRequestPaused() Method46PuppeteerSharp | LifecycleWatcher.OnDialog() Method47PuppeteerSharp | LifecycleWatcher.OnError() Method

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OnClientDisconnected

Using AI Code Generation

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1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });9 var page = await browser.NewPageAsync();10 var watcher = new LifecycleWatcher(page);11 watcher.OnClientDisconnected += Watcher_OnClientDisconnected;12 await Task.Delay(10000);13 await browser.CloseAsync();14 }15 private static void Watcher_OnClientDisconnected(object sender, EventArgs e)16 {17 Console.WriteLine("Client Disconnected");18 }19 }20}21C# | Create object of a type using Activator.CreateInstance() method22C# | Create object of a type using Activator.CreateInstance() method23C# | Create object of a type using Activator.CreateInstance() method24C# | Create object of a type using Activator.CreateInstance() method25C# | Create object of a type using Activator.CreateInstance() method26C# | Create object of a type using Activator.CreateInstance() method

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OnClientDisconnected

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var options = new LaunchOptions { Headless = false };9 using (var browser = await Puppeteer.LaunchAsync(options))10 {11 var page = await browser.NewPageAsync();12 var watcher = page.LifecycleWatcher;13 watcher.OnClientDisconnected += (sender, e) => Console.WriteLine("Client disconnected");14 await page.CloseAsync();15 }16 }17 }18}19using System;20using System.Threading.Tasks;21using PuppeteerSharp;22{23 {24 static async Task Main(string[] args)25 {26 var options = new LaunchOptions { Headless = false };27 using (var browser = await Puppeteer.LaunchAsync(options))28 {29 var page = await browser.NewPageAsync();30 var watcher = page.LifecycleWatcher;31 watcher.OnDialog += (sender, e) => Console.WriteLine("Dialog appeared");32 }33 }34 }35}36using System;37using System.Threading.Tasks;38using PuppeteerSharp;39{40 {41 static async Task Main(string[] args)42 {43 var options = new LaunchOptions { Headless = false };44 using (var browser = await Puppeteer.LaunchAsync(options))45 {46 var page = await browser.NewPageAsync();47 var watcher = page.LifecycleWatcher;48 watcher.OnFrameAttached += (sender, e) => Console.WriteLine("Frame attached");49 }50 }51 }52}53using System;54using System.Threading.Tasks;55using PuppeteerSharp;

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OnClientDisconnected

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var browser = await Puppeteer.LaunchAsync(new LaunchOptions9 {10 });11 var page = await browser.NewPageAsync();12 await page.WaitForTimeoutAsync(10000);13 await page.CloseAsync();14 await browser.CloseAsync();15 }16 }17}18[0717/131814.369:ERROR:device_event_log_impl.cc(208)] [13:18:14.368] USB: usb_device_handle_win.cc:1058 Failed to read descriptor from node connection: A device attached to the system is not functioning. (0x1F)19[0717/131814.369:ERROR:device_event_log_impl.cc(208)] [13:18:14.369] USB: usb_device_handle_win.cc:1058 Failed to read descriptor from node connection: A device attached to the system is not functioning. (0x1F)20[0717/131814.369:ERROR:device_event_log_impl.cc(208)] [13:18:14.369] USB: usb_device_handle_win.cc:1058 Failed to read descriptor from node connection: A device attached to the system is not functioning. (0x1F)21[0717/131814.369:ERROR:device_event_log_impl.cc(208)] [13:18:14.369] USB: usb_device_handle_win.cc:1058 Failed to read descriptor from node connection: A device attached to the system is not functioning. (0x1F)22[0717/131814.369:ERROR:device_event_log_impl.cc(208)] [13:18:14.369] USB: usb_device_handle_win.cc:1058 Failed to read descriptor from node connection: A device attached to the system is not functioning. (0x1F)23[0717/131814.369:ERROR:device_event_log_impl.cc(208)] [13:18:14.369] USB: usb_device_handle_win.cc:1058 Failed to read descriptor from node connection: A device attached to the system

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OnClientDisconnected

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var options = new LaunchOptions { Headless = false };9 using (var browser = await Puppeteer.LaunchAsync(options))10 {11 using (var page = await browser.NewPageAsync())12 {13 var watcher = new LifecycleWatcher(page);14 watcher.OnClientDisconnected += (sender, e) =>15 {16 Console.WriteLine("Client Disconnected");17 };18 await page.EvaluateFunctionAsync("() => window.close()");19 await watcher.TimeoutOrTerminationTask;20 }21 }22 }23 }24}

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